129343 has 4 divisors (see below), whose sum is σ = 130168. Its totient is φ = 128520.

The previous prime is 129341. The next prime is 129347. The reversal of 129343 is 343921.

129343 is nontrivially palindromic in base 2.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 343921 = 239 ⋅1439.

It is a cyclic number.

It is not a de Polignac number, because 129343 - 2¹ = 129341 is a prime.

It is a super-2 number, since 2×129343² = 33459223298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96 + ... + 517.

It is an arithmetic number, because the mean of its divisors is an integer number (32542).

2¹²⁹³⁴³ is an apocalyptic number.

129343 is a deficient number, since it is larger than the sum of its proper divisors (825).

129343 is an equidigital number, since it uses as much as digits as its factorization.

129343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824.

The product of its digits is 648, while the sum is 22.

The square root of 129343 is about 359.6428784225. The cubic root of 129343 is about 50.5724868263.

The spelling of 129343 in words is "one hundred twenty-nine thousand, three hundred forty-three".